Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503614_00021_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-eb55fbbf-ef1d-4087-ac78-3aba79408848",
      "cw-dce36912-c350-4caa-b000-413c3a4530be"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5ec27a01-b513-4d09-8bfa-074a86682c58",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503614_00021_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-dce36912-c350-4caa-b000-413c3a4530be",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10503614_00021_u001",
      "navDate": "1701-01-18",
      "multId": "bsbmult00000464",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503614_00021_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}